M-E MODERN-ELECTRONICS DIN Rail Power Supply 15V DC 2A 30W (40778)

For control cabinet builders and industrial electricians, the M-E MODERN-ELECTRONICS 40778 delivers a stable 15 V DC output from a standard DIN rail mount. With a 2 A current capacity and 30 W power rating, it suits automation systems, sensor arrays, and small DC loads that require reliable power in a compact footprint.

Key specifications

• Output: 15 V DC, 2 A, 30 W
• Input: 100–240 V AC, 50/60 Hz
• Mounting: DIN rail TH35, width 3 TE (54 mm)
• Protection: overload, short circuit, overvoltage
• Connection: screw terminals
• Operating temperature: 0 °C to +40 °C
• Housing material: plastic

Why choose it

The 40778 combines a wide input voltage range with a regulated 15 V output, making it suitable for international installations. Its DIN rail design allows quick snap-on mounting without additional brackets, and the integrated protection features help prevent damage to connected equipment.

Ideal use cases

• Powering industrial sensors and actuators
• Supplying control circuits in distribution boards
• Replacing failed DIN rail power supplies in existing panels

Good to know

The unit uses screw terminals for secure wiring and has a compact 54 mm width, leaving room for other modules on the rail. It operates within a 0 °C to 40 °C temperature range, so it is intended for indoor control cabinets rather than harsh outdoor environments.